Similac Alimentum Hypoallergenic Infant Formula Similac Alimentum Hypoallergenic Infant Formula is a powdered infant formula for the management of cow's milk allergy or other conditions where an extensively hydrolysed (EH) infant formula has been recommended by a healthcare professional. Similac Alimentum Hypoallergenic Infant Formula is suitable from birth & as a sole source of nutrition. For older infants & for children, it can be fed from a cup or mixed with cereal or other solid foods. Similac Alimentum Hypoallergenic Infant Formula is clinically lactose free & gluten free. It is a Food for Special Medical Purposes & should be used under the supervision of a healthcare professional.